id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4651028,2246321,plaintiff,Abbot,William,,,"Abbot, William",0 4651029,2246321,defendant,Mounkhous,John,,777934,"Mounkhous, John, of Sourbywode",0 4651030,2246321,defendant,Hal-,John,yeoman,,"Hal-, John, yeoman",1